Interface device for coupling capillary electrophoresis with inductively coupled plasma mass spectrograph and use method thereof
A technology of capillary electrophoresis and inductive coupling, which is applied in the field of chemical analysis, can solve the problems of unable to provide very stable electrical connection, unable to solve the problem of peak broadening, and no commercial interface, etc., to achieve fast measurement speed, high sensitivity, and improved sensitivity. Effect
Inactive Publication Date: 2009-11-11
FUZHOU UNIVERSITY
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Abstract
The invention provides an interface device for coupling a capillary electrophoresis with an inductively coupled plasma mass spectrograph and use method thereof. The interface device is characterized by comprising a stainless steel capillary pipe, a sample solution peristaltic pump and a T-shaped capillary pipe, wherein the stainless steel capillary pipe is connected with a high voltage source, aninlet on the left end thereof is respectively connected with the capillary electrophoresis and a miniflow and sheath flow pipe, and the output end of the stainless steel capillary pipe is connected with the input end of the T-shaped capillary pipe by the sample solution peristaltic pump; the output end of the T-shaped capillary pipe is connected in the inductively coupled plasma mass spectrograph;and the lower end of the T-shaped capillary pipe is connected with the output end of a wash solution peristaltic pump, and the modes of continuous sample introduction and collective sample introduction can be adopted during test. The device has simple structure and solves the problem of hard coupling of the capillary electrophoresis and the inductively coupled plasma mass spectrograph.
Application Domain
Dispersed particle separationMaterial analysis by electric/magnetic means
Technology Topic
Peristaltic pumpHigh pressure +7
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